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switch-case vs custom fn
(version: 0)
Comparing performance of:
switch-case vs custom fn
Created:
4 years ago
by:
Guest
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Tests:
switch-case
const options = ["top left", "top center", "top right", "left center", "right center", "bottom left", "bottom center", "bottom right"] const testIt = (fn) => { fn(); for (direction of options) fn(direction); } const getDirection = (direction) => { switch (direction) { case "top left": return "top-start"; case "top center": return "top"; case "top right": return "top-end"; case "left center": return "left"; case "right center": return "right"; case "bottom left": return "bottom-start"; case "bottom center": return "bottom"; case "bottom right": return "bottom-end"; default: return "top"; } }; testIt(getDirection);
custom fn
const options = ["top left", "top center", "top right", "left center", "right center", "bottom left", "bottom center", "bottom right"] const testIt = (fn) => { fn(); for (direction of options) fn(direction); } const getDirection = (direction = 'top') => { const [v, h] = direction.split(' '); const map = {left: 'start', right: 'end'}; return map[h] ? [v, map[h]].join(`-`) : v; }; testIt(getDirection);
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Suite status:
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Test case name
Result
switch-case
custom fn
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into explaining the provided benchmark. **Benchmark Overview** The benchmark is designed to compare two approaches for handling multiple directions in a JavaScript application: `switch-case` and a custom function. **Options Being Compared** Two options are being compared: 1. **Switch-Case**: This approach uses a traditional `switch-case` statement to handle the different directions. 2. **Custom Function**: This approach defines a custom function, `getDirection`, which takes a direction string as input and returns the corresponding coordinate (x, y) based on predefined rules. **Pros and Cons** Here are some pros and cons of each approach: **Switch-Case:** Pros: * Well-established and widely understood syntax * Easy to read and maintain for simple cases Cons: * Can be slower due to the overhead of the `switch` statement * Limited flexibility in handling complex logic or edge cases **Custom Function:** Pros: * More flexible and customizable, as the implementation is written by the developer * Can be optimized for performance using techniques like memoization or caching Cons: * Requires more developer expertise to implement and maintain correctly * May require additional setup or configuration, such as defining a mapping object **Library Used (if applicable)** In this benchmark, no specific libraries are used. However, the `switch` statement is a built-in JavaScript construct. **Special JS Features or Syntax** The custom function uses a feature called "destructuring assignment" (`const [v, h] = direction.split(' ')`) to extract the x and y coordinates from the input string. This syntax is available in modern JavaScript implementations. **Other Alternatives** If the switch-case approach is not sufficient for handling multiple directions, other alternatives could include: 1. **Object-Orientation**: Define an object with methods for each direction, allowing for more flexibility in handling complex logic. 2. **Function Composition**: Combine multiple small functions to create a single function that can handle different directions. 3. **State Machines**: Use a state machine library or implement one from scratch to manage the different states and transitions. These alternatives may offer better performance or maintainability for certain use cases, but require more expertise in JavaScript programming or additional setup. I hope this explanation helps!
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